Correct Answer: 5, 2, 1, 3, 4

Solution : Given:
1. Patriot 2. Pastor 3. Patron 4. Pattern 5. Pastern

Step 1: Since all the words start with the same letter P , so move on to the next letter.
Step 2: The second letter of each word is the same, i.e., a . So, move on to the next letter.
Step 3: The third letter of each word is either t or s . The arrangement can be – (Pastor, Pastern), (Patriot, Patron, Pattern).
Step 4: The fourth letter of (Pas t or, Pas t ern) is the same. So, move on to the next letter.
Step 5: Compare the fifth letter of (Past o r, Past e rn). Pastern will come before Pastor as e comes before o according to the alphabetical system.
Step 6: Compare the fourth letter of (Pat r iot, Pat r on, and Pat t ern). (Patriot, Patron) will come before Pattern as r comes before t according to the alphabetical system.
Step 7: Compare the fifth letter of (Patr i ot, Patr o n) Patriot will come before Patron as i comes before o . So, move on to the next letter.

So, the sequence is Pastern, Pastor, Patriot, Patron, Pattern, or 5, 2, 1, 3, 4. Hence, the second option is correct.